#include<bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define ui unsigned int
using namespace std;
const int MAXN=100005;
int r[MAXN];
ll ans;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0),cout.tie(0);
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin>>n;
    for(int i=0;i<n;i++){
        int a;
        cin>>a;
        r[a]++;
        ans=r[a]>ans?r[a]:ans;
    }
    cout<<ans;
    return 0;
}